Centric 121.75001 Disc Brake Rotor - Front

Reliable Performance with Centric C-TEK Standard Disc Brake Rotors

The Centric C-TEK Standard Disc Brake Rotor 121.75001 offers dependable braking performance for vehicles requiring vented rotors with precise specifications. Designed to meet OEM standards, this rotor ensures consistent stopping power and durability for compatible makes and models.

• Vented disc brake rotor with smooth surface finish
• Outside diameter of 324 mm (12.756 inches) for optimal fitment
• Nominal thickness of 29.900 mm (1.177 inches) with discard thickness at 26.290 mm (1.035 inches)
• Eight mounting bolt holes with a bolt circle diameter of 203.2 mm (8 inches)
• Center hole diameter of 165.7 mm (6.524 inches) for precise hub alignment
• Weight of approximately 14.32 kg (31.5 lbs) for balanced performance
• U-shaped design with straight vane style for effective heat dissipation

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is engineered to provide reliable, OEM-quality replacement rotors that meet or exceed factory specifications. This product line focuses on delivering rotors with consistent thickness, proper venting, and smooth surfaces to ensure even pad wear and effective braking. The 121.75001 rotor is part of this line, offering a vented design that helps maintain cooler operating temperatures during braking.

Technical Specifications and Features

This vented rotor features a smooth surface type that promotes even brake pad contact and reduces noise. The overall height measures 118 mm (4.646 inches), and the rotor mounts behind the hub, utilizing eight mounting bolt holes with a 13 mm thread pitch. The rotor’s U-shaped design and straight vane style enhance airflow, aiding in heat dissipation to prevent brake fade during extended use. Note that this rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below discard limits to maintain braking efficiency
• Improving heat dissipation to reduce brake fade on heavy-duty or frequent stop vehicles
• Restoring smooth braking performance by replacing scored or uneven rotors
• Ensuring proper fitment with exact bolt hole and center hole dimensions

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. Since this rotor mounts behind the hub, proper alignment is critical to avoid vibration. Use a calibrated torque wrench to tighten mounting bolts to manufacturer specifications. This rotor does not include bearings or ABS tone rings, so reuse existing components or replace separately as needed.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent thickness and balanced construction. While specific warranty details for part number 121.75001 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.